+ docker pull ubuntu:bionic bionic: Pulling from library/ubuntu 58289280d3c7: Pulling fs layer 58289280d3c7: Download complete 58289280d3c7: Pull complete Digest: sha256:1e32b9c52e8f22769df41e8f61066c77b2b35b0a423c4161c0e48eca2fd24f75 Status: Downloaded newer image for ubuntu:bionic docker.io/library/ubuntu:bionic